261765888

素因数分解:

$2^8\times 3^1\times {\mathrm{19}}^1\times {\mathrm{17939}}^1$

素因数の和:17977

約数の個数: 72

約数和(自身を含む): 733387200

約数和(自身を除く): 471621312

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 64, 76, 96, 114, 128, 152, 192, 228, 256, 304, 384, 456, 608, 768, 912, 1216, 1824, 2432, 3648, 4864, 7296, 14592, 17939, 35878, 53817, 71756, 107634, 143512, 215268, 287024, 340841, 430536, 574048, 681682, 861072, 1022523, 1148096, 1363364, 1722144, 2045046, 2296192, 2726728, 3444288, 4090092, 4592384, 5453456, 6888576, 8180184, 10906912, 13777152, 16360368, 21813824, 32720736, 43627648, 65441472, 87255296, 130882944, 261765888]

約数ペア:

[(1, 261765888), (2, 130882944), (3, 87255296), (4, 65441472), (6, 43627648), (8, 32720736), (12, 21813824), (16, 16360368), (19, 13777152), (24, 10906912), (32, 8180184), (38, 6888576), (48, 5453456), (57, 4592384), (64, 4090092), (76, 3444288), (96, 2726728), (114, 2296192), (128, 2045046), (152, 1722144), (192, 1363364), (228, 1148096), (256, 1022523), (304, 861072), (384, 681682), (456, 574048), (608, 430536), (768, 340841), (912, 287024), (1216, 215268), (1824, 143512), (2432, 107634), (3648, 71756), (4864, 53817), (7296, 35878), (14592, 17939)]